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Spatial solitons carrying phase singularities in nematic liquid crystals

Date

Authors

Izdebskaya, Yana

Desyatnikov, Anton S

Assanto, Gaetano

Kivshar, Yuri

Publisher

IEEE

Abstract

We demonstrate self-trapped laser beams carrying optical vortices in nematic liquid crystals. We experimentally observe astigmatic transformations of vortex beams into spiralling dipole azimuthons accompanied by a nontrivial power-dependent charge-flipping of on-axis phase dislocations.

Keywords

Keywords: Azimuthons; Optical vortices; Phase dislocation; Phase singularities; Spatial solitons; Vortex beams; Optical fibers; Optics; Quantum electronics; Solitons; Nematic liquid crystals

URI

http://hdl.handle.net/1885/57112

Collections

ANU Research Publications

Source

Proceedings of the International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim 2011

Type

Conference paper

DOI

10.1109/IQEC-CLEO.2011.6194139

Restricted until

2037-12-31

Downloads

File

Description

01_Izdebskaya_Spatial_solitons_carrying_2011.pdf (191.8 KB)